Based in Nanjing China J S Brown New Material Technology Co Ltd specializes in the design develop and manufacture all kinds of profile steels bridge expansion joints bridge bearings and waterproof materials J S Brown New Material Technology Co Ltd was established in 2007 The toal area is about 5000 square meters We have a number of pragmatic and progressive outstanding professional and technical personnel and experienced management personnel including doctor We also focus much time and energy on product quality We have five quality control persons to supervise the quality We keep information sharing with several well known bridge accessories enterprise in Europe and America and establish...